4393694228 has 48 divisors (see below), whose sum is σ = 9592539264. Its totient is φ = 1710704640.

The previous prime is 4393694161. The next prime is 4393694233. The reversal of 4393694228 is 8224963934.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585476 + ... + 592932.

It is an arithmetic number, because the mean of its divisors is an integer number (199844568).

Almost surely, 2^4393694228 is an apocalyptic number.

It is an amenable number.

4393694228 is an abundant number, since it is smaller than the sum of its proper divisors (5198845036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4393694228 is a wasteful number, since it uses less digits than its factorization.

4393694228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392 (or 9390 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 50.

The square root of 4393694228 is about 66284.9472203154. The cubic root of 4393694228 is about 1637.8593710255.

The spelling of 4393694228 in words is "four billion, three hundred ninety-three million, six hundred ninety-four thousand, two hundred twenty-eight".